[1] Bennett C L, Beukens R P, Clover M R et al . Science, 1977, 198: 508-509
[2] Nelson D E, Korteling R G, Stott W R . Science, 1977, 198: 507-508
[3] Fifield L K, Cresswell RG, di Tada M L et al . Nucl Instr Meth Phys Res, 1996, B117: 295-303
[4] Vockenhuber C, Bichler M, Golser R et al . Nucl Instr Meth Phys Res, 2004, B 223-224: 823-828
[5] He Ming, Jiang Shan, Dong Kejun et al .
Beijing National Tandem Accelerator Laboratory Annual Report, 2001-2002
: 84-86.